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SIEMENS PLC PROGRAMMING FOR BEGINNERS: LEARN SIEMENS PLC PROGRAMMING WITH S7 -300/400 Automating Project Examples inside TIA portal and Factory IO: Wicks, Daniel H: 9798787338089: Amazon.com: Books
Amazon.com: 16 inputs (DC 24 V) Digital Input Module for S7-300 - 700-321-1BH02 : Electronics
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